Home / 13,736.18-20,604.50-4,376.28

Finding the Fourth Proportional to 13,736.18, 20,604.50 and 4,376.28

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Solution

The fourth proportional to 13,736.18, 20,604.50 and 4,376.28 is: 6,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.18 : 20,604.50 = 4,376.28 : x
  2. Step 2: Convert to fraction form
    13,736.18/20,604.50 = 4,376.28/x
  3. Step 3: Cross multiply
    13,736.18x = 20,604.50 × 4,376.28
  4. Step 4: Simplify right side
    13,736.18x = 90,171,029.46
  5. Step 5: Solve for x
    x = 90,171,029.46/13,736.18
  6. Step 6: Final answer
    x = 6,564.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.